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genre: choral
genre: requiem
description: Nancy Argenta is a Canadian soprano singer, best known for performing music from the pre-classical era. She has won international acclaim, and is considered one of the leading Handel sopranos of her
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      date published: 2026-06-13T12:47:07Z
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  track: Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)
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  track: Mozart: Piano Sonata No. 11 in A Major, Op. 6 No. 2, K. 331 "Alla Turca": III. Allegretto. Turkish March
  track: Mozart: Le nozze di Figaro, K. 492: Sinfonia
  track: Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto
  track: Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
  track: Mozart: Ave verum corpus, K. 618
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  track: Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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  track: Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
  track: Mozart: Concerto for Flute and Harp in C Major, K. 299/297c: II. Andantino
  track: Mozart: Mass No. 15 in C Major, K. 317 "Coronation Mass": II. Gloria
album: Haydn: The Complete Mass Edition
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album: 100 Best Opera Classics
album: 100 Best Baroque
album: 100 Best Classical Composers
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Mozart: Missa in C Minor, K. 427 "Grosse Messe": III. Et incarnatus est
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  date published: 2026-06-13T12:47:07Z
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Mozart: Die Zauberflöte, K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Königin der Nacht)
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    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.115
  additional property: Energy
    type: PropertyValue
    value: 0.009
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.971
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.843
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act I: 'Der Vogelfänger bin ich ja'
type: MusicRecording
duration: PT1M56S
duration ms: 116413
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 33
genre: classical
genre: classical-era
isrc code: GBAYC9007239
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:38:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1f59fc0beb8654426b72843f85044715b5c3d377f861f5ced1d643063780613
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9007239
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1f59fc0beb8654426b72843f85044715b5c3d377f861f5ced1d643063780613. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9007239.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Die Zauberflöte, K. 620, Act I: 'Der Vogelfänger bin ich ja'
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 111.033
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.616
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.08
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.647
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.352
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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Mozart: Don Giovanni, K. 527: Overture
type: MusicRecording
duration: PT5M11S
duration ms: 311773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 39
genre: classical
genre: classical-era
isrc code: GBAYC9200851
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T08:09:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a3c5177b87ba8ef49ae5c82be9303725a0ce093d7f1647e2586ba3e0a81e279
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200851
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a3c5177b87ba8ef49ae5c82be9303725a0ce093d7f1647e2586ba3e0a81e279. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200851.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Don Giovanni, K. 527: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.568
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.345
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.879
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.232
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
type: MusicRecording
duration: PT3M12S
duration ms: 192440
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Cornelius Hauptmann
by artist: London Classical Players
by artist: Schütz Choir of London
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9001019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:37:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3377f10828dc2b1aec9a1f92581865a7b0779dfe408c94695afe4f2798adb11c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3377f10828dc2b1aec9a1f92581865a7b0779dfe408c94695afe4f2798adb11c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001019.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "O Isis und Osiris" (Sarastro, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.777
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.203
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.742
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.113
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.259
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Aria. "Fin ch'han dal vino" (Don Giovanni)
type: MusicRecording
duration: PT1M40S
duration ms: 100173
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Andreas Schmidt
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 38
genre: classical
genre: classical-era
isrc code: GBAYC9200877
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T12:01:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0a7bf13a8f31012c251c8055a8e5143a9dde8d82b4383e36252a8e63f7557f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200877
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a7bf13a8f31012c251c8055a8e5143a9dde8d82b4383e36252a8e63f7557f6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200877.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Fin ch'han dal vino" (Don Giovanni)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.016
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.643
  additional property: Energy
    type: PropertyValue
    value: 0.431
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.255
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.765
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.419
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 1 Scene 6: No. 4, Rezitativ und Arie, "O zittre nicht, mein lieber Sohn!" (Königin der Nacht)
type: MusicRecording
duration: PT4M19S
duration ms: 259320
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: London Classical Players
by artist: Beverly Hoch
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9000996
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:35:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6c43817d9984bc74fb06930e86508e06dc4fb5b345bbd387a3c9a7afe6da89b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000996
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c43817d9984bc74fb06930e86508e06dc4fb5b345bbd387a3c9a7afe6da89b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9000996.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Die Zauberflöte, K. 620, Act 1 Scene 6: No. 4, Rezitativ und Arie, "O zittre nicht, mein lieber Sohn!" (Königin der Nacht)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.011
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.406
  additional property: Energy
    type: PropertyValue
    value: 0.161
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.42
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
type: MusicRecording
duration: PT2M40S
duration ms: 160293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Andreas Schmidt
by artist: Nancy Argenta
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 37
genre: classical
genre: classical-era
isrc code: GBAYC9200866
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:18:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23f4b0a69ef610bbce376421a5b878dc5f06975dfd3ca5918fd2dcb67e915978
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200866
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23f4b0a69ef610bbce376421a5b878dc5f06975dfd3ca5918fd2dcb67e915978. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200866.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.032
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.351
  additional property: Energy
    type: PropertyValue
    value: 0.107
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.02
  additional property: Liveness
    type: PropertyValue
    value: 0.42
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.189
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.209
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Die Zauberflöte, K. 620, Act 2: "Pa-pa-pa" (Papageno, Papagena)
type: MusicRecording
duration: PT2M23S
duration ms: 143080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Catherine Pierard
by artist: Andreas Schmidt
by artist: Sir Roger Norrington
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9001060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:36:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a46ed6dc7a26c18b9db25664248d2180de2dd3ac47ccf047e4c294da840217b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "Pa-pa-pa" (Papageno, Papagena)
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Mozart: Violin Concerto No. 5 in A Major, K. 219 "Turkish": III. Rondeau. Tempo di menuetto
type: MusicRecording
duration: PT8M34S
duration ms: 514773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Christian Tetzlaff
by artist: The Deutsche Kammerphilharmonie Bremen
in album: The Very Best of Mozart
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  date published: 2006-01-09
popularity: 38
genre: classical
genre: classical-era
isrc code: GBAYC9501552
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fcfba9fab21646347e9b83db35672b89593591097d8605ad30199a7933d5110. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9501552.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Violin Concerto No. 5 in A Major, K. 219 "Turkish": III. Rondeau. Tempo di menuetto
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Mozart: Piano Sonata No. 11 in A Major, Op. 6 No. 2, K. 331 "Alla Turca": III. Allegretto. Turkish March
type: MusicRecording
duration: PT3M42S
duration ms: 222820
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Jean-Bernard Pommier
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 35
genre: classical
genre: classical-era
isrc code: GBAYC8200060
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48086c7fd99f9cde4a97cccd7c5b1e581f9385862c6fa796ff19519ecd739d24. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8200060.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Piano Sonata No. 11 in A Major, Op. 6 No. 2, K. 331 "Alla Turca": III. Allegretto. Turkish March
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Mozart: Le nozze di Figaro, K. 492: Sinfonia
type: MusicRecording
duration: PT3M58S
duration ms: 238266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Wiener Philharmoniker
by artist: Riccardo Muti
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 38
genre: classical
genre: classical-era
isrc code: GBAYC8600623
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Le nozze di Figaro, K. 492: Sinfonia
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Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto
type: MusicRecording
duration: PT6M28S
duration ms: 388026
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Portal/Cherubini Quartet
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9503633
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Clarinet Quintet in A Major, K. 581 "Stadler": II. Larghetto
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Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
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duration: PT2M56S
duration ms: 176306
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Riccardo Muti
by artist: Ann Murray
by artist: Wiener Philharmoniker
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 36
genre: classical
genre: classical-era
isrc code: GBAYC8600648
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 2: Arietta. "Voi, che sapete che cosa è amor" (Cherubino)
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Mozart: Ave verum corpus, K. 618
type: MusicRecording
duration: PT2M41S
duration ms: 161760
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Schütz Choir of London
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Ave verum corpus, K. 618
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  additional property: Danceability
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Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai, farfallone amoroso" (Figaro)
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duration: PT3M41S
duration ms: 221626
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernard Haitink
by artist: Claudio Desderi
by artist: London Philharmonic Orchestra
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 37
genre: classical
genre: classical-era
isrc code: GBAYC8704496
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 1: Aria. "Non più andrai, farfallone amoroso" (Figaro)
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Mozart: String Quartet No. 14 in G Major, Op. 10 No. 1, K. 387 "Spring": IV. Molto allegro
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duration: PT7M43S
duration ms: 463120
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by artist: Wolfgang Amadeus Mozart
by artist: Smithson String Quartet
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popularity: 31
genre: classical
genre: classical-era
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: String Quartet No. 14 in G Major, Op. 10 No. 1, K. 387 "Spring": IV. Molto allegro
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Mozart: Le nozze di Figaro, K. 492, Act 2 Scene 1: No. 10, Cavatina, "Porgi, amor" (Contessa)
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duration: PT3M18S
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by artist: Wolfgang Amadeus Mozart
by artist: Véronique Gens
by artist: Orchestra of the Age of Enlightenment
by artist: Ivor Bolton
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popularity: 35
genre: classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Mozart: Le nozze di Figaro, K. 492, Act 2 Scene 1: No. 10, Cavatina, "Porgi, amor" (Contessa)
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Serenade No. 13 in G Major, K.525 'Eine kleine Nachtmusik': I. Allegro
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duration: PT5M40S
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by artist: Wolfgang Amadeus Mozart
by artist: London Chamber Orchestra
by artist: Christopher Warren-Green
in album: The Very Best of Mozart
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popularity: 34
genre: classical
genre: classical-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Serenade No. 13 in G Major, K.525 'Eine kleine Nachtmusik': I. Allegro
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Mozart: Requiem in D Minor, K. 626: I. Introitus
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duration: PT4M11S
duration ms: 251853
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by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Efrat Ben Nun
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
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popularity: 36
genre: classical
genre: classical-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Requiem in D Minor, K. 626: I. Introitus
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Mozart: Das Butterbrot, K. Anh. 284n
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duration: PT1M15S
duration ms: 75133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emile Naoumoff
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popularity: 32
genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Mozart: Das Butterbrot, K. Anh. 284n
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Mozart: Requiem in D Minor, K. 626: II. Kyrie
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duration: PT2M22S
duration ms: 142693
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by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
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popularity: 34
genre: classical
genre: classical-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Mozart: Requiem in D Minor, K. 626: II. Kyrie
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Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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duration: PT3M53S
duration ms: 233800
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by artist: Orchestra of the Age of Enlightenment
by artist: Sigiswald Kuijken
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popularity: 32
genre: classical
genre: classical-era
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeac2011dc78153632b7479b952a0a1fb23bfc2afb3d9a9707d3e351ceffff00. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8901193.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
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Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
type: MusicRecording
duration: PT3M16S
duration ms: 196133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Michel Corboz
by artist: Ensemble Vocal de Lausanne
by artist: Orchestre de Chambre de Genève
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 35
genre: classical
genre: classical-era
isrc code: GBAYC9503474
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503474
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8303a402b5b78436589250ae38c7cc1a5357ade243c0c1c6a169f64980b872f0. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9503474.
  date published: 2026-06-13T12:47:07Z
audio: Mozart: Requiem in D Minor, K. 626: VIII. Lacrimosa
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.125
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Mozart: Die Entführung aus dem Serail, K. 384: Overture
type: MusicRecording
duration: PT5M42S
duration ms: 342746
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 31
genre: classical
genre: classical-era
isrc code: GBAYC8100078
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100078
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc399dae0f05d485adb125b47c5e475ed5baf3edd922259c54aa0379637ec1fb7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8100078.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Die Entführung aus dem Serail, K. 384: Overture
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.218
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.878
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.465
  additional property: Liveness
    type: PropertyValue
    value: 0.063
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.147
  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
type: MusicRecording
duration: PT8M23S
duration ms: 503986
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Yehudi Menuhin
by artist: Sinfonia Varsovia
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 35
genre: classical
genre: classical-era
isrc code: GBAYC8901629
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:58:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa829edbdc25fc61d2a6dd7320a2200471cb8e7507b8a16da0eed395e4a327f6e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8901629
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa829edbdc25fc61d2a6dd7320a2200471cb8e7507b8a16da0eed395e4a327f6e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8901629.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  additional property: Energy
    type: PropertyValue
    value: 0.435
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Mozart: Concerto for Flute and Harp in C Major, K. 299/297c: II. Andantino
type: MusicRecording
duration: PT9M12S
duration ms: 552520
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Yehudi Menuhin
by artist: English Chamber Orchestra
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9001187
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:34:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x030ce6f3365295021986cbde76d33ea96ba79e3ecfc5880e576ced303534e715
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001187
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x030ce6f3365295021986cbde76d33ea96ba79e3ecfc5880e576ced303534e715. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001187.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Concerto for Flute and Harp in C Major, K. 299/297c: II. Andantino
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.279
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Mozart: Mass No. 15 in C Major, K. 317 "Coronation Mass": II. Gloria
type: MusicRecording
duration: PT4M23S
duration ms: 263733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Peter Neumann
by artist: Christoph Prégardien
by artist: Franz-Josef Selig
by artist: Kölner Kammerchor
by artist: Patrizia Kwella
by artist: Ulla Groenewold
by artist: Collegium Cartusianum
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 30
genre: classical
genre: classical-era
isrc code: DEC628800459
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T22:52:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0694bf19b87c330e9c177ec902ca92d656bc8002773c4c599c03f7d2378766e5
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC628800459
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0694bf19b87c330e9c177ec902ca92d656bc8002773c4c599c03f7d2378766e5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEC628800459.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Mass No. 15 in C Major, K. 317 "Coronation Mass": II. Gloria
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
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    value: 0.154
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Mode Name
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Haydn: The Complete Mass Edition
type: MusicAlbum
date published: 2007-05-01

Haydn: Harmoniemesse & Salve Regina in E
type: MusicAlbum
date published: 1997-10-01

Mozart: Le nozze di Figaro
type: MusicAlbum
date published: 1988-11-01
track: Le nozze di Figaro, K.492 / Act 3: "Sull'aria...Che soave zeffiretto"
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161626
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Barbara Bonney
  by artist: Arleen Auger
  by artist: The Drottningholm Court Theatre Orchestra
  by artist: Arnold Östman
  in album: Mozart: Le nozze di Figaro
    type: MusicAlbum
    date published: 1988-11-01
  genre: classical
  genre: classical-era
  isrc code: GBF078741232
  additional property: CopyrightID
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    type: PropertyValue
    value: registered
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    value: 2026-07-07T11:13:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x03fb62e339c910ea21557b3401e57ef852da62616dea3ed7b07c6fd9369bc738
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  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078741232
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03fb62e339c910ea21557b3401e57ef852da62616dea3ed7b07c6fd9369bc738. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078741232.
    date published: 2026-07-08T03:20:19Z
  audio: Le nozze di Figaro, K.492 / Act 3: "Sull'aria...Che soave zeffiretto"
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    additional property: Tempo (BPM)
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      value: 168.103
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.281
    additional property: Energy
      type: PropertyValue
      value: 0.025
    additional property: Speechiness
      type: PropertyValue
      value: 0.066
    additional property: Acousticness
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OpenTimestamps Proof of Existence
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OpenTimestamps Proof of Existence
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  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903810
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3cf9827882e33c731fed14747f9625d0a3613dbb3fa73bc21306d7f896823a8. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058903810.
  date published: 2026-07-06T07:53:57Z
audio: O Jesu Christ, mein's Lebens Licht Motet, BWV 118
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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"Lass Fürstin, lass noch einen Strahl" Cantata, BWV 198: No. 1 "Lass, Fürstin, lass noch einen Strahl"
type: MusicRecording
duration: PT5M17S
duration ms: 317506
explicit: false
by artist: Johann Sebastian Bach
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
by artist: The Monteverdi Choir
in album: Bach, J.S.: Cantatas BWV 106, 118 & 198
  type: MusicAlbum
  date published: 2000-01-01
popularity: 4
genre: classical
genre: classical-piano
isrc code: DEF058931701
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931701
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x054c6b89e01e2dff3cf687ffb199dd874a2d285ff67ea3c5ca5f7988ee78450e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931701.
  date published: 2026-07-07T18:39:05Z
audio: "Lass Fürstin, lass noch einen Strahl" Cantata, BWV 198: No. 1 "Lass, Fürstin, lass noch einen Strahl"
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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"Lass Fürstin, lass noch einen Strahl" Cantata, BWV 198: No. 7 "An dir, du Fürbild großer Frauen"
type: MusicRecording
duration: PT1M36S
duration ms: 96666
explicit: false
by artist: Johann Sebastian Bach
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
by artist: The Monteverdi Choir
in album: Bach, J.S.: Cantatas BWV 106, 118 & 198
  type: MusicAlbum
  date published: 2000-01-01
popularity: 4
genre: classical
genre: classical-piano
isrc code: DEF058931707
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931707
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70e9130fd62bfbd4c06b9d3b8f5e628fd270466cee2d72c029525a18f994f1d5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931707.
  date published: 2026-07-08T03:20:19Z
audio: "Lass Fürstin, lass noch einen Strahl" Cantata, BWV 198: No. 7 "An dir, du Fürbild großer Frauen"
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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"Lass Fürstin, lass noch einen Strahl" Cantata, BWV 198: No. 9 "Was Wunder ist's?"
type: MusicRecording
duration: PT2M5S
duration ms: 125493
explicit: false
by artist: Johann Sebastian Bach
by artist: Stephen Varcoe
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Bach, J.S.: Cantatas BWV 106, 118 & 198
  type: MusicAlbum
  date published: 2000-01-01
popularity: 2
genre: classical
genre: classical-piano
isrc code: DEF058931709
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:38:05+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931709
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae7a176e9165a614603e8153b7c03176f7ae82e96f90bb165ab64abc9e1b20e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931709.
  date published: 2026-07-08T03:53:27Z
audio: "Lass Fürstin, lass noch einen Strahl" Cantata, BWV 198: No. 9 "Was Wunder ist's?"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.428
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Bach, J.S.: Advent Cantatas BWV 61, 36 & 62
type: MusicAlbum
date published: 1992-01-01
track: Nun komm, der Heiden Heiland, Cantata BWV 61: No. 3 "Komm, Jesu, komm zu deiner Kirche"
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Anthony Rolfe Johnson
  by artist: English Baroque Soloists
  by artist: John Eliot Gardiner
  in album: Bach, J.S.: Advent Cantatas BWV 61, 36 & 62
    type: MusicAlbum
    date published: 1992-01-01
  popularity: 2
  genre: classical
  genre: classical-piano
  isrc code: DEF059202043
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T07:56:00+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x10fddb096d4eb6de53c43972452ae8f275aec6d6cb54a2bc37bf384ab134c99d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202043
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10fddb096d4eb6de53c43972452ae8f275aec6d6cb54a2bc37bf384ab134c99d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202043.
    date published: 2026-07-08T08:56:20Z
  audio: Nun komm, der Heiden Heiland, Cantata BWV 61: No. 3 "Komm, Jesu, komm zu deiner Kirche"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.729
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.247
    additional property: Energy
      type: PropertyValue
      value: 0.082
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.894
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.018
    additional property: Liveness
      type: PropertyValue
      value: 0.135
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.433
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.115
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nun komm, der Heiden Heiland, Cantata BWV 61: No. 5 "Öffne dich, mein ganzes Herze"
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Nancy Argenta
  by artist: Timothy Mason
  by artist: English Baroque Soloists
  by artist: John Eliot Gardiner
  in album: Bach, J.S.: Advent Cantatas BWV 61, 36 & 62
    type: MusicAlbum
    date published: 1992-01-01
  popularity: 1
  genre: classical
  genre: classical-piano
  isrc code: DEF059202045
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-07T06:34:48+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x9850f1382139ccd7e66df087cee8b42f13ad300286350b3b197d18f37d34a528
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202045
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9850f1382139ccd7e66df087cee8b42f13ad300286350b3b197d18f37d34a528. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202045.
    date published: 2026-07-08T03:20:19Z
  audio: Nun komm, der Heiden Heiland, Cantata BWV 61: No. 5 "Öffne dich, mein ganzes Herze"
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    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Schwingt freudig euch empor, Cantata BWV 36 / Part 2: No. 6 Chorale "Der du bist dem Vater gleich"
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  duration: PT1M44S
  duration ms: 104000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Nancy Argenta
  by artist: Petra Lang
  by artist: Olaf Bär
  by artist: English Baroque Soloists
  by artist: John Eliot Gardiner
  by artist: The Monteverdi Choir
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    type: MusicAlbum
    date published: 1992-01-01
  popularity: 1
  genre: classical
  genre: classical-piano
  isrc code: DEF059202056
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Schwingt freudig euch empor, Cantata BWV 36 / Part 2: No. 6 Chorale "Der du bist dem Vater gleich"
track: "Nun komm, der Heiden Heiland", BWV 62: No. 1 Chorus "Nun komm, der Heiden Heiland"
track: "Nun komm, der Heiden Heiland", BWV 62: No. 2 Aria "Bewundert, o Menschen"
track: "Nun komm, der Heiden Heiland", BWV 62: 5. Recitative "Wir ehren diese Herrlichkeit"

CopyrightID
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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x3aeeedd014b283fffa3376d7f7358f55e46207176e105021bd64f8910c06ba9c

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957122

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957122

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202056

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:39:04Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aeeedd014b283fffa3376d7f7358f55e46207176e105021bd64f8910c06ba9c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059202056.
date published: 2026-07-08T03:39:04Z

Schwingt freudig euch empor, Cantata BWV 36 / Part 2: No. 6 Chorale "Der du bist dem Vater gleich"
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"Nun komm, der Heiden Heiland", BWV 62: No. 1 Chorus "Nun komm, der Heiden Heiland"
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by artist: Johann Sebastian Bach
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
by artist: The Monteverdi Choir
in album: Bach, J.S.: Advent Cantatas BWV 61, 36 & 62
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: "Nun komm, der Heiden Heiland", BWV 62: No. 1 Chorus "Nun komm, der Heiden Heiland"
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"Nun komm, der Heiden Heiland", BWV 62: No. 2 Aria "Bewundert, o Menschen"
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by artist: Anthony Rolfe Johnson
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: "Nun komm, der Heiden Heiland", BWV 62: No. 2 Aria "Bewundert, o Menschen"
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"Nun komm, der Heiden Heiland", BWV 62: 5. Recitative "Wir ehren diese Herrlichkeit"
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by artist: Johann Sebastian Bach
by artist: Nancy Argenta
by artist: Petra Lang
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Bach, J.S.: Advent Cantatas BWV 61, 36 & 62
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popularity: 1
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: "Nun komm, der Heiden Heiland", BWV 62: 5. Recitative "Wir ehren diese Herrlichkeit"
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Handel: Solomon
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date published: 1985-01-01
track: Solomon HWV 67: Overture
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Solomon HWV 67: Overture
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track: Solomon HWV 67 / Act 2: "My sovereign liege"
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  by artist: Carolyn Watkinson
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  by artist: John Eliot Gardiner
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Solomon HWV 67 / Act 2: "My sovereign liege"
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track: Solomon HWV 67 / Act 1: "With pious heart"
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  by artist: The Monteverdi Choir
  by artist: English Baroque Soloists
  by artist: John Eliot Gardiner
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  subject of: OpenTimestamps Proof of Existence
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track: Solomon HWV 67 / Act 2: "Withhold the executing hand" - "Can I see my infant gor'd"
track: Solomon HWV 67 / Act 2: "Israel' attend"
track: Solomon HWV 67 / Act 1: "Imperial Solomon" - "Sacred rapture"
track: Solomon HWV 67 / Act 2: "Thrice bless'd be the king"
track: Solomon HWV 67 / Act 1: "And see my Queen"
track: Solomon HWV 67 / Act 1: "May no rash intruder"
track: Solomon HWV 67 / Act 2: "From the censer"
track: Solomon HWV 67 / Act 2: "Prais'd be the Lord" - "When the sun"

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OTSHash
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17a793f93897ff5f2b6cb73c0c8c38aef4508f5109fd86bc487403fedd310373. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321104.
date published: 2026-07-08T08:56:20Z

Solomon HWV 67 / Act 1: "With pious heart"
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Solomon HWV 67 / Act 2: "Withhold the executing hand" - "Can I see my infant gor'd"
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by artist: Joan Rodgers
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
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  type: MusicAlbum
  date published: 1985-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA508321121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:57:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37b7e1641ccb50603e1aa7790b9fafbe3c7557519397b5c137f7030fd4372570
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321121
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b7e1641ccb50603e1aa7790b9fafbe3c7557519397b5c137f7030fd4372570. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321121.
  date published: 2026-07-08T03:22:41Z
audio: Solomon HWV 67 / Act 2: "Withhold the executing hand" - "Can I see my infant gor'd"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.896
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.235
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.164
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.121
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.857
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Solomon HWV 67 / Act 2: "Israel' attend"
type: MusicRecording
duration: PT1M18S
duration ms: 78706
explicit: false
by artist: George Frideric Handel
by artist: Carolyn Watkinson
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Handel: Solomon
  type: MusicAlbum
  date published: 1985-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA508321122
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:49:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x18f66360bbba9442120feff902b749c60d719b4167d9d792d1d2dd5d725ce7fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321122
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18f66360bbba9442120feff902b749c60d719b4167d9d792d1d2dd5d725ce7fe. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321122.
  date published: 2026-07-08T03:53:27Z
audio: Solomon HWV 67 / Act 2: "Israel' attend"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.608
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.411
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.378
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Solomon HWV 67 / Act 1: "Imperial Solomon" - "Sacred rapture"
type: MusicRecording
duration: PT4M48S
duration ms: 288693
explicit: false
by artist: George Frideric Handel
by artist: Anthony Rolfe Johnson
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Handel: Solomon
  type: MusicAlbum
  date published: 1985-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA508321106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:54:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c9b485cc5803e731b58bf38c188dc085b87eecd1b6713b5246b21e2c82aa119
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c9b485cc5803e731b58bf38c188dc085b87eecd1b6713b5246b21e2c82aa119. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321106.
  date published: 2026-07-08T03:22:41Z
audio: Solomon HWV 67 / Act 1: "Imperial Solomon" - "Sacred rapture"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.536
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.4
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.912
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.344
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.403
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.916
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Solomon HWV 67 / Act 2: "Thrice bless'd be the king"
type: MusicRecording
duration: PT3M58S
duration ms: 238293
explicit: false
by artist: George Frideric Handel
by artist: Joan Rodgers
by artist: Carolyn Watkinson
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Handel: Solomon
  type: MusicAlbum
  date published: 1985-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA508321123
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:35:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x217dab294c5f8f98c047b9a68858ab2a849f16e1ff18ac3ab24994303f95291c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321123
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217dab294c5f8f98c047b9a68858ab2a849f16e1ff18ac3ab24994303f95291c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321123.
  date published: 2026-07-08T03:22:41Z
audio: Solomon HWV 67 / Act 2: "Thrice bless'd be the king"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.021
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.34
  additional property: Energy
    type: PropertyValue
    value: 0.053
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.174
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.855
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Solomon HWV 67 / Act 1: "And see my Queen"
type: MusicRecording
duration: PT0M44S
duration ms: 44493
explicit: false
by artist: George Frideric Handel
by artist: Carolyn Watkinson
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Handel: Solomon
  type: MusicAlbum
  date published: 1985-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA508321109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:11:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xacf2a0c2b2d646d38a6bf650bc2f055103ca5d3f17b496af9b84a4eaebf0604b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321109
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacf2a0c2b2d646d38a6bf650bc2f055103ca5d3f17b496af9b84a4eaebf0604b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321109.
  date published: 2026-07-08T03:53:27Z
audio: Solomon HWV 67 / Act 1: "And see my Queen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.278
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.017
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.166
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.128
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.604
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Solomon HWV 67 / Act 1: "May no rash intruder"
type: MusicRecording
duration: PT3M16S
duration ms: 196266
explicit: false
by artist: George Frideric Handel
by artist: The Monteverdi Choir
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Handel: Solomon
  type: MusicAlbum
  date published: 1985-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA508321114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:04:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ce6a9a94adcf1d20cf36897ec625ec640ec6f12aaba247dafda05cde99fda7c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321114
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ce6a9a94adcf1d20cf36897ec625ec640ec6f12aaba247dafda05cde99fda7c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321114.
  date published: 2026-07-08T03:20:19Z
audio: Solomon HWV 67 / Act 1: "May no rash intruder"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.416
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.035
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.144
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.63
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Solomon HWV 67 / Act 2: "From the censer"
type: MusicRecording
duration: PT5M10S
duration ms: 310333
explicit: false
by artist: George Frideric Handel
by artist: The Monteverdi Choir
by artist: English Baroque Soloists
by artist: John Eliot Gardiner
in album: Handel: Solomon
  type: MusicAlbum
  date published: 1985-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: NLA508321115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:51:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5ebde61f02b5f1bd5b22806a6ad45816473145e22ffa4def544fbb0b6abab5e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321115
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5ebde61f02b5f1bd5b22806a6ad45816473145e22ffa4def544fbb0b6abab5e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508321115.
  date published: 2026-07-08T03:20:19Z
audio: Solomon HWV 67 / Act 2: "From the censer"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.334
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.555
  additional property: Energy
    type: PropertyValue
    value: 0.275
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.087
  additional property: Liveness
    type: PropertyValue
    value: 0.042
  additional property: Valence (Positivity)
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subject of: OpenTimestamps Proof of Existence
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100 Best Opera Classics
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track: Die Zauberflöte - Singspiel in two acts K620 (1987 Digital Remaster), Act I: Der Vogelfänger bin ich ja (Papageno)
track: Don Giovanni K527, ATTO SECONDO, Scena prima: Serenata: Deh vieni all finestra (Don Giovanni)
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track: Turandot: Signore, ascolta (Act I)
track: Pagliacci, Act 1 (1987 Digital Remaster): Recitar!....Vesti la giubba
track: Fedora: Amor ti vieta

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date published: 2026-07-08T03:20:19Z

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Manon: Allons, il le faut ... Adieu, notre petite table (Act 2)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Le Nozze di Figaro: E Susanna non vien! ...Dove sono i bei momenti (Contessa)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Die Zauberflöte - Singspiel in two acts K620 (1987 Digital Remaster), Act II: Der Hölle Rache kocht in meinem Herzen (Königin)
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  date published: 2026-07-06T07:16:32Z
audio: Die Zauberflöte - Singspiel in two acts K620 (1987 Digital Remaster), Act II: Der Hölle Rache kocht in meinem Herzen (Königin)
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Die Zauberflöte, ZWEITER AUFZUG, Nr.10 Aria & Dialog: Aria con coro: O Isis und Osiris ... (Sarastro/Priester)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Die Zauberflöte, ZWEITER AUFZUG, Nr.10 Aria & Dialog: Aria con coro: O Isis und Osiris ... (Sarastro/Priester)
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La Jolie fille de Perth, 'The Fair Maid of Perth': Quand la flamme de l'amour
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: La Jolie fille de Perth, 'The Fair Maid of Perth': Quand la flamme de l'amour
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Il Barbiere di Siviglia (1997 Digital Remaster): La ran la le ra, la ran la la. Largo al factotum
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Il Barbiere di Siviglia (1996 Digital Remaster): La calunnia è un venticello (Basilio)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Il Barbiere di Siviglia (1996 Digital Remaster): La calunnia è un venticello (Basilio)
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Don Carlo (2000 Digital Remaster): Ella giammai m'amò!
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duration: PT7M32S
duration ms: 452560
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by artist: Ruggero Raimondi
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Carlo Maria Giulini
in album: 100 Best Opera Classics
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popularity: 1
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f5c9a4878f39d6cba6c3f00e7e153d7460de94811ccf34a43b37f949cca0f1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001373.
  date published: 2026-07-08T03:20:19Z
audio: Don Carlo (2000 Digital Remaster): Ella giammai m'amò!
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Don Carlo (2000 Digital Remaster): Nei giardin del bello (Eboli/Tebaldo/Dame)
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duration: PT4M56S
duration ms: 296053
explicit: false
by artist: Delia Wallis
by artist: Shirley Verrett
by artist: Ambrosian Opera Chorus
by artist: John McCarthy
by artist: Carlo Maria Giulini
by artist: Orchestra of the Royal Opera House, Covent Garden
in album: 100 Best Opera Classics
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  date published: 2007-03-20
popularity: 5
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x154f14ca81a9bccc9e6a16903669234493e44dc4d1a06381699287603c3e6369. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001344.
  date published: 2026-07-08T03:22:41Z
audio: Don Carlo (2000 Digital Remaster): Nei giardin del bello (Eboli/Tebaldo/Dame)
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La Damnation de Faust Op. 24 (1996 Digital Remaster): Une puce gentille
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duration: PT1M25S
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explicit: false
by artist: Orchestre de Paris
by artist: Gabriel Bacquier
by artist: Georges Prêtre
in album: 100 Best Opera Classics
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  date published: 2007-03-20
popularity: 2
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fc73e4fdf6ae6db133188aff85f5800238f530b4a5f62a407ea70edeb31f37b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9603021.
  date published: 2026-07-08T03:20:19Z
audio: La Damnation de Faust Op. 24 (1996 Digital Remaster): Une puce gentille
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Rigoletto (1996 Digital Remaster), Act 3: La donna è mobile
type: MusicRecording
duration: PT2M15S
duration ms: 135293
explicit: false
by artist: Alfredo Kraus
by artist: Julius Rudel
by artist: Philharmonia Orchestra
in album: 100 Best Opera Classics
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popularity: 3
isrc code: GBAYC9602461
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7497f64f34229dbbb327f8beecab7ae3570d3df2434a7cba14858fc0549adaf6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9602461.
  date published: 2026-07-08T03:20:19Z
audio: Rigoletto (1996 Digital Remaster), Act 3: La donna è mobile
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Aida - Act 1 (1989 Digital Remaster): Se quel guerrier io fossi!....Celeste Aida
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duration: PT4M41S
duration ms: 281306
explicit: false
by artist: Zubin Mehta
by artist: Franco Corelli
by artist: Orchestra Del Teatro Dell'Opera Di Roma
in album: 100 Best Opera Classics
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  date published: 2007-03-20
popularity: 12
genre: orchestral-performance
genre: classical-performance
isrc code: GBAYC8905921
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaeb5189f6c7362edab4b0d1c61b9b57d92c4cc1848917bba0cc26986f73e7f7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8905921.
  date published: 2026-07-02T03:30:09Z
audio: Aida - Act 1 (1989 Digital Remaster): Se quel guerrier io fossi!....Celeste Aida
  type: AudioObject
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Samson et Dalila (2001 Digital Remaster), Act 2, Scene 3: Mon coeur s'ouvre à ta voix (Dalila/Samson)
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duration: PT5M17S
duration ms: 317440
explicit: false
by artist: Rita Gorr
by artist: Georges Prêtre
by artist: Orchestre de l'Opéra National de Paris
by artist: Jon Vickers
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 5
genre: opera
isrc code: FRZ110100171
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98a3a837f791d5fa0813793ca4eb3da09947e2962ce4ca510b51f539732a3d72. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110100171.
  date published: 2026-07-07T18:50:38Z
audio: Samson et Dalila (2001 Digital Remaster), Act 2, Scene 3: Mon coeur s'ouvre à ta voix (Dalila/Samson)
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La Traviata: Teneste la promessa...Addio del passato
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duration: PT5M43S
duration ms: 343773
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by artist: Royal Philharmonic Orchestra
by artist: Aldo Ceccato
by artist: Beverly Sills
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 5
genre: classical
genre: orchestra
genre: orchestral
isrc code: GBAYC9502658
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6d4ad23f9d6b1fc57a2f2ea11ba464ae7a85bc6b7cfc7b17ba4bbff67f39fc5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9502658.
  date published: 2026-07-08T03:22:41Z
audio: La Traviata: Teneste la promessa...Addio del passato
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  additional property: Valence (Positivity)
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Tannhäuser · Romantische Oper in 3 Akten (Dresdner Fassung), Dritter Akt (Tal vor der Wartburg): Wie Todesahnung - Oh du mein holder Abendstern (Wolfram)
type: MusicRecording
duration: PT4M16S
duration ms: 256173
explicit: false
by artist: Dietrich Fischer-Dieskau
by artist: Orchester Der Staatsoper Berlin
by artist: Franz Konwitschny
in album: 100 Best Opera Classics
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  date published: 2007-03-20
popularity: 7
isrc code: DEA340703103
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340703103
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bf52980598027069e3493005177078107691c0515d812a78284512bc7430538. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA340703103.
  date published: 2026-07-02T03:55:08Z
audio: Tannhäuser · Romantische Oper in 3 Akten (Dresdner Fassung), Dritter Akt (Tal vor der Wartburg): Wie Todesahnung - Oh du mein holder Abendstern (Wolfram)
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  additional property: Tempo (BPM)
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Otello (1988 Digital Remaster), ATTO QUARTO, Terza e quarta scena: Niun mi tema (Otello/Cassio/Lodovico/Montano)
type: MusicRecording
duration: PT6M1S
duration ms: 361160
explicit: false
by artist: Aldo Bottion
by artist: Berliner Philharmoniker
by artist: José van Dam
by artist: Mario Machi
by artist: Herbert von Karajan
by artist: Jon Vickers
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 4
isrc code: GBAYC8804683
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8804683
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb91765f2d7505b4d7cecb6882a042fd697c2db3e149c75f50b57a8868e216b9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8804683.
  date published: 2026-07-08T08:56:20Z
audio: Otello (1988 Digital Remaster), ATTO QUARTO, Terza e quarta scena: Niun mi tema (Otello/Cassio/Lodovico/Montano)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Der Fliegende Holländer (2000 Digital Remaster): Sentas Ballade: I. Johohoe!...Traft ihr das Schiff im Meere an (Senta)
type: MusicRecording
duration: PT8M13S
duration ms: 493106
explicit: false
by artist: Otto Klemperer
by artist: New Philharmonia Orchestra
by artist: Anja Silja
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 2
isrc code: GBAYC0001193
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b2d55c6ac222ce458b32a97b2fc8e9c562eef92eca29cf6d5bc3f21010c6854. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001193.
  date published: 2026-07-08T03:22:41Z
audio: Der Fliegende Holländer (2000 Digital Remaster): Sentas Ballade: I. Johohoe!...Traft ihr das Schiff im Meere an (Senta)
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  additional property: Danceability
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Madama Butterfly (2002 Digital Remaster), Act 2, First Part: Un bel di vedremo (Butterfly)
type: MusicRecording
duration: PT4M38S
duration ms: 278546
explicit: false
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Sir John Barbirolli
by artist: Renata Scotto
by artist: Coro Del Teatro Dell'Opera Di Roma
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 5
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dac9bfaea215d14a084909a3760978c23f42a8f546e175e75273e7a72906c04. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0201550.
  date published: 2026-07-08T03:53:27Z
audio: Madama Butterfly (2002 Digital Remaster), Act 2, First Part: Un bel di vedremo (Butterfly)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Lohengrin (2000 Digital Remaster): In fernem Land (Lohengrin/König/Chor)
type: MusicRecording
duration: PT4M43S
duration ms: 283866
explicit: false
by artist: Elisabeth Grümmer
by artist: Dietrich Fischer-Dieskau
by artist: Otto Wiener
by artist: Wiener Philharmoniker
by artist: Vienna State Opera Chorus
by artist: Gottlob Frick
by artist: Rudolf Kempe
by artist: Jess Thomas
by artist: Christa Ludwig
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 1
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Lohengrin (2000 Digital Remaster): In fernem Land (Lohengrin/König/Chor)
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  additional property: Valence (Positivity)
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Turandot: In questa reggia
type: MusicRecording
duration: PT5M58S
duration ms: 358400
explicit: false
by artist: Ghena Dimitrova
by artist: Munich Radio Orchestra
by artist: Lamberto Gardelli
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 2
genre: opera
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Turandot: In questa reggia
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La Bohème (1991 Digital Remaster), Act I: Sì. Mi chiamano Mimì (Mimì/Rodolfo)
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duration: PT4M53S
duration ms: 293760
explicit: false
by artist: Nicolai Gedda
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Mirella Freni
by artist: Thomas Schippers
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 4
genre: classical
genre: opera
isrc code: GBAYC9103775
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecc8a3c2abb8f5ad2605fbe3f9ba5a8a6201ffaceda0d7544c51a035efe0522a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9103775.
  date published: 2026-07-08T03:53:27Z
audio: La Bohème (1991 Digital Remaster), Act I: Sì. Mi chiamano Mimì (Mimì/Rodolfo)
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Tristan und Isolde (1988 Digital Remaster), Act III, Scene III: Mild und leise wie er lächelt (Isoldes Liebestod)
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duration: PT7M19S
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by artist: Helga Dernesch
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 9
genre: classical-soprano
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24404e023feb67ec822f113ddf2f47a0b0356e09523c806f86fd390b3d1f326d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8804784.
  date published: 2026-07-02T11:38:34Z
audio: Tristan und Isolde (1988 Digital Remaster), Act III, Scene III: Mild und leise wie er lächelt (Isoldes Liebestod)
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Turandot: Signore, ascolta (Act I)
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duration: PT2M37S
duration ms: 157320
explicit: false
by artist: Kiri Te Kanawa
by artist: London Symphony Orchestra
by artist: Myung-Whun Chung
in album: 100 Best Opera Classics
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  date published: 2007-03-20
popularity: 5
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Turandot: Signore, ascolta (Act I)
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Pagliacci, Act 1 (1987 Digital Remaster): Recitar!....Vesti la giubba
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duration: PT3M44S
duration ms: 224693
explicit: false
by artist: Riccardo Muti
by artist: Philharmonia Orchestra
by artist: José Carreras
in album: 100 Best Opera Classics
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  date published: 2007-03-20
popularity: 5
genre: classical
genre: opera
genre: requiem
isrc code: GBAYC8704013
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca19309e0f298b763f690931bbce7cc0ddf0dbe0c3c951f8c590a2908abcefcf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8704013.
  date published: 2026-07-08T03:53:27Z
audio: Pagliacci, Act 1 (1987 Digital Remaster): Recitar!....Vesti la giubba
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  additional property: Danceability
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Fedora: Amor ti vieta
type: MusicRecording
duration: PT1M45S
duration ms: 105506
explicit: false
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: Roberto Alagna
by artist: Sir Mark Elder
in album: 100 Best Opera Classics
  type: MusicAlbum
  date published: 2007-03-20
popularity: 3
genre: classical
genre: opera
genre: orchestra
isrc code: GBAYC0302254
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Fedora: Amor ti vieta
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100 Best Baroque
type: MusicAlbum
date published: 2006
track: Zadok the Priest
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  by artist: Alastair Ross
  by artist: Choir of King's College, Cambridge
  by artist: Stephen Cleobury
  by artist: Pavlo Beznosiuk
  by artist: Benjamin Bayl
  by artist: Academy of Ancient Music
  in album: 100 Best Baroque
    type: MusicAlbum
    date published: 2006
  popularity: 8
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  additional property: CopyrightID
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-07T14:18:56Z
  audio: Zadok the Priest
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Xerxes - Frondi tenere ... Ombra mai fù: Larghetto: Ombra mai fù
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  duration: PT3M7S
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  by artist: Orchestra of the Age of Enlightenment
  by artist: Sir Roger Norrington
  by artist: David Daniels
  in album: 100 Best Baroque
    type: MusicAlbum
    date published: 2006
  popularity: 3
  genre: classical
  genre: opera
  genre: orchestra
  genre: choral
  genre: requiem
  isrc code: GBAYC9800727
  additional property: CopyrightID
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Xerxes - Frondi tenere ... Ombra mai fù: Larghetto: Ombra mai fù
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track: Gloria in D major, RV 589: Gloria in excelsis Deo (choeur)
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Carmelite Vespers (1707) - (Second Vespers of the Feast of Our Lady of Mount Carmel, Psalm I: Dixit Dominus: Dixit Dominus Domino meo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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A Suite of Theatre Music: II. Rondeau (Abdelazer, or The Moor's Revenge Z.570 No. 2)
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subject of: OpenTimestamps Proof of Existence
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Sonata in D Minor, Kk.9
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Marche de triomphe - 1999 Digital Remaster
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Spem in alium
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Stabat Mater pour soprano, contralto, cordes et basse continue: I. Stabat Mater dolorosa
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With lilies white (An elegy for Lady Magdalen Montague, d 1608)
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Madrigals, Book 8 (Madrigali guerrieri et amorosi...libro ottavo), Madrigali guerrieri: Altri canti d'amor
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Madrigals, Book 8 (Madrigali guerrieri et amorosi...libro ottavo), Madrigali guerrieri: Altri canti d'amor
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Concerto in G Major for 2 mandolines & strings, RV 532: I. Allegro
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  date published: 2026-07-08T03:53:27Z
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Dido and Aeneas: Overture
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Come ye sons of art, 1694, ode for Queen Mary (excerpts)
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  date published: 2026-07-08T03:22:41Z
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Le Quattro Stagioni (from 'Il cimento dell'armonia e dell'inventione', Op. 8): Concerto No. 1 in E major RV269, 'La primavera'
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  date published: 2026-07-08T08:56:20Z
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Miserere a 9
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Solomon HWV67: Sinfonia: Act 3, The Arrival of the Queen of Sheba
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Messiah HWV56, Part 2: Hallelujah (Chorus)
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The Four Seasons (from Il cimento dell'armonia e dell'inventione Op.8): Concerto No. 2 in G minor (L'estate/ Summer) RV315 (Op. 8 No. 2)
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Diferencias sobre las Folias - 1990 Digital Remaster
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Water Music Suite No.2 in D
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100 Best Classical Composers
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track: Verdi: Nabucco, Act 3: "Va, pensiero, sull'ali dorate" (Chorus)
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track: Beethoven: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
track: Lachrimae, or Seaven Teares: Semper Dowland Semper Dolens
track: Allegri: Miserere mei, Deus
track: Rossini: Guillaume Tell: Overture. Andante - Allegro (Excerpt, Conclusion)
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track: Les Indes galantes : Les Sauvages - Danse du Calumet de la Paix et duo Forêts paisibles
track: Handel / Orch. Hale: Keyboard Suite No. 4 in D Minor, HWV 437: III. Sarabande

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date published: 2026-07-08T03:22:41Z

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Beethoven: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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by artist: London Classical Players
by artist: Sir Roger Norrington
in album: 100 Best Classical Composers
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popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Beethoven: Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Lachrimae, or Seaven Teares: Semper Dowland Semper Dolens
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duration: PT3M11S
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by artist: Emma Kirkby
by artist: Anthony Rooley
in album: 100 Best Classical Composers
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popularity: 1
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Lachrimae, or Seaven Teares: Semper Dowland Semper Dolens
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Allegri: Miserere mei, Deus
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duration: PT13M2S
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by artist: Choir of King's College, Cambridge
by artist: Gerald Finley
by artist: Timothy Beasley-Murray
by artist: Stephen Cleobury
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popularity: 1
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Allegri: Miserere mei, Deus
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Rossini: Guillaume Tell: Overture. Andante - Allegro (Excerpt, Conclusion)
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duration: PT3M17S
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by artist: Sir Roger Norrington
by artist: London Classical Players
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popularity: 2
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Rossini: Guillaume Tell: Overture. Andante - Allegro (Excerpt, Conclusion)
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Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
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duration: PT3M41S
duration ms: 221293
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by artist: Johann Pachelbel
by artist: Taverner Players
by artist: Andrew Parrott
in album: 100 Best Classical Composers
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popularity: 2
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
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Schubert: Schwanengesang, D. 957: No. 4, Ständchen (Arr. for Cello and Piano)
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duration: PT4M42S
duration ms: 282013
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by artist: Gautier Capuçon
by artist: Franck Braley
in album: 100 Best Classical Composers
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  date published: 2012-10-29
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Schubert: Schwanengesang, D. 957: No. 4, Ständchen (Arr. for Cello and Piano)
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Purcell: Abdelazer, Z. 570: II. Rondeau
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duration ms: 96040
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by artist: Andrew Parrott
by artist: Taverner Players
in album: 100 Best Classical Composers
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  date published: 2012-10-29
popularity: 1
genre: classical
genre: choral
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Purcell: Abdelazer, Z. 570: II. Rondeau
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Handel / Orch. Hale: Keyboard Suite No. 4 in D Minor, HWV 437: III. Sarabande
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The Power and the Glory
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track: O sacred head, sore wounded ('Passion Chorale': English Hymnal No. 102; O Haupt voll Blud und Wunden from the St Matthew Passion BWV244 Nos. 21 & 72)
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Bach, JS: Mass in B Minor, BWV 232: Cum Sancto Spiritu
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Pergolesi: Stabat Mater: I. Stabat mater dolorosa
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by artist: Lesley Garrett
by artist: Robin Blaze
by artist: London Session Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T20:41:57Z
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Handel: Coronation Anthem No. 1, HWV 258 "Zadok the Priest"
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by artist: Andrew Davis
by artist: Royal Choral Society
by artist: London Philharmonic Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Jesus Christ is Risen Today
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Jesus Christ is Risen Today
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Allegri: Miserere (Excerpt)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Allegri: Miserere (Excerpt)
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The Lord's Prayer - 1998 Remastered Version
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: The Lord's Prayer - 1998 Remastered Version
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Brahms: Ein deutsches Requiem, Op. 45: IV. Wie lieblich sind deine Wohnungen
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Handel: Judas Maccabaeus, HWV 63, Act 3: Chorus. "Thine be the glory"
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by artist: Massed Choirs From Merseyside
by artist: Liverpool Cathedral Brass Ensemble
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additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9102609
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4536eb7dc758e49c99b9a9db5f348f658483ce6c2c2a631530d32809c4a83749. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9102609.
  date published: 2026-07-08T03:22:41Z
audio: Handel: Judas Maccabaeus, HWV 63, Act 3: Chorus. "Thine be the glory"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.193
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.194
  additional property: Energy
    type: PropertyValue
    value: 0.232
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.418
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.118
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.694
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Gloria & Magnificat
type: MusicAlbum
date published: 1994-01-01
track: Vivaldi: Gloria in D Major, RV 589: I. Gloria in excelsis Deo
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153666
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Andrew Parrott
  by artist: Taverner Choir
  by artist: Taverner Players
  in album: Vivaldi: Gloria & Magnificat
    type: MusicAlbum
    date published: 1994-01-01
  popularity: 20
  isrc code: GBAYC9200663
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T05:26:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1f8787e92513b95813a20c0e1d2e8448316c30a737d73468cd5cb3e3f9b1ef13
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200663
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f8787e92513b95813a20c0e1d2e8448316c30a737d73468cd5cb3e3f9b1ef13. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200663.
    date published: 2026-06-13T15:41:10Z
  audio: Vivaldi: Gloria in D Major, RV 589: I. Gloria in excelsis Deo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.562
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.461
    additional property: Energy
      type: PropertyValue
      value: 0.245
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.87
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.089
    additional property: Liveness
      type: PropertyValue
      value: 0.052
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.297
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.362
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Vivaldi: Gloria in D Major, RV 589: II. Et in terra pax hominibus
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287040
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Andrew Parrott
  by artist: Taverner Choir
  by artist: Taverner Players
  in album: Vivaldi: Gloria & Magnificat
    type: MusicAlbum
    date published: 1994-01-01
  popularity: 5
  isrc code: GBAYC9200664
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T05:18:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa561ce141e4729ca12073a943fc7bd6fa1a01d10e3d8d2cc0e32d1716abe75f2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956894
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956894
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200664
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:53:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa561ce141e4729ca12073a943fc7bd6fa1a01d10e3d8d2cc0e32d1716abe75f2. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200664.
    date published: 2026-07-06T07:53:57Z
  audio: Vivaldi: Gloria in D Major, RV 589: II. Et in terra pax hominibus
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.774
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.204
    additional property: Energy
      type: PropertyValue
      value: 0.144
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.951
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.01
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.037
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.7
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Vivaldi: Gloria in D Major, RV 589: VII. Dominie Fili Unigenite
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138200
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Andrew Parrott
  by artist: Taverner Choir
  by artist: Taverner Players
  in album: Vivaldi: Gloria & Magnificat
    type: MusicAlbum
    date published: 1994-01-01
  popularity: 4
  isrc code: GBAYC9200669
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T07:04:58+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Vivaldi: Gloria in D Major, RV 589: VII. Dominie Fili Unigenite
track: Vivaldi: Gloria in D Major, RV 589: VIII. Domine Deus, Agnus Dei
track: Vivaldi: Gloria in D Major, RV 589: X. Qui sedes ad dexteram Patris
track: Vivaldi: Gloria in D Major, RV 589: XI. Quoniam tu solus Sanctus
track: Vivaldi: Sinfonia in B Minor, RV 169 "Al Santo Sepolcro"
track: Vivaldi: Laetatus Sum, RV 607
track: Vivaldi: Magnificat in G Minor, RV 610b: II. Et exsultavit
track: Vivaldi: Magnificat in G Minor, RV 610b: IV. Fecit potentiam
track: Vivaldi: Magnificat in G Minor, RV 610b: V. Esurientes
track: Anonymous: Salve Regina

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8c0ae03e829a1e0f3e39c3e813042db09d5eab947304902124d462a3acef8f61

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957073

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957073

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200669

OTSTimestamp
type: PropertyValue
value: 2026-07-21T16:41:12Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c0ae03e829a1e0f3e39c3e813042db09d5eab947304902124d462a3acef8f61. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:41:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200669.
date published: 2026-07-21T16:41:12Z

Vivaldi: Gloria in D Major, RV 589: VII. Dominie Fili Unigenite
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 141.85
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.239
additional property: Energy
  type: PropertyValue
  value: 0.256
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.951
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.284
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.343
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.066
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Vivaldi: Gloria in D Major, RV 589: VIII. Domine Deus, Agnus Dei
type: MusicRecording
duration: PT4M39S
duration ms: 279066
explicit: false
by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Margaret Cable
by artist: Taverner Choir
by artist: Taverner Players
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 2
isrc code: GBAYC9200670
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:41:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd3500cf01f9e5bf654cc135dea0767a95951cd4e71967a4bb1a9ec92cec70e50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200670
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3500cf01f9e5bf654cc135dea0767a95951cd4e71967a4bb1a9ec92cec70e50. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200670.
  date published: 2026-07-08T03:22:41Z
audio: Vivaldi: Gloria in D Major, RV 589: VIII. Domine Deus, Agnus Dei
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.224
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.094
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.323
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivaldi: Gloria in D Major, RV 589: X. Qui sedes ad dexteram Patris
type: MusicRecording
duration: PT2M30S
duration ms: 150440
explicit: false
by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Margaret Cable
by artist: Taverner Players
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 2
isrc code: GBAYC9200672
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:30:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x396fc2348138f444991ca664cb19dae9137fa3bdf123cf8924816a32c3cbca73
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200672
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396fc2348138f444991ca664cb19dae9137fa3bdf123cf8924816a32c3cbca73. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200672.
  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Gloria in D Major, RV 589: X. Qui sedes ad dexteram Patris
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.02
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.406
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.307
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.997
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivaldi: Gloria in D Major, RV 589: XI. Quoniam tu solus Sanctus
type: MusicRecording
duration: PT0M51S
duration ms: 51000
explicit: false
by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Taverner Choir
by artist: Taverner Players
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 2
isrc code: GBAYC9200673
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:57:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x11a0a5c8a53e0a83aa6821be6029356b1d8d1a8ba27e660fecf6916b0517ef72
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200673
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11a0a5c8a53e0a83aa6821be6029356b1d8d1a8ba27e660fecf6916b0517ef72. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200673.
  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Gloria in D Major, RV 589: XI. Quoniam tu solus Sanctus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.532
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.559
  additional property: Energy
    type: PropertyValue
    value: 0.196
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.537
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.449
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.604
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Sinfonia in B Minor, RV 169 "Al Santo Sepolcro"
type: MusicRecording
duration: PT3M50S
duration ms: 230733
explicit: false
by artist: Antonio Vivaldi
by artist: Taverner Players
by artist: Andrew Parrott
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 2
isrc code: GBAYC9203198
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:58:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x947d6ad40443834c0b345e15cfc6567398d1054d3dc6dc8a4801c987e385392a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9203198
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x947d6ad40443834c0b345e15cfc6567398d1054d3dc6dc8a4801c987e385392a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9203198.
  date published: 2026-07-08T08:56:20Z
audio: Vivaldi: Sinfonia in B Minor, RV 169 "Al Santo Sepolcro"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.109
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.184
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.617
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.668
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivaldi: Laetatus Sum, RV 607
type: MusicRecording
duration: PT3M37S
duration ms: 217133
explicit: false
by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Taverner Players
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 10
isrc code: GBAYC9201756
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T05:53:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ce988b68bc278f635cb652da9f06f95bc8e87a05758ca3cde838c3e85c8df60
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9201756
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ce988b68bc278f635cb652da9f06f95bc8e87a05758ca3cde838c3e85c8df60. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9201756.
  date published: 2026-07-06T06:56:49Z
audio: Vivaldi: Laetatus Sum, RV 607
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.233
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.32
  additional property: Energy
    type: PropertyValue
    value: 0.2
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.171
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.823
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Magnificat in G Minor, RV 610b: II. Et exsultavit
type: MusicRecording
duration: PT2M15S
duration ms: 135000
explicit: false
by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Alison Place
by artist: Emily Van Evera
by artist: Nancy Argenta
by artist: Taverner Players
by artist: Taverner Choir
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 4
isrc code: GBAYC9200677
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:44:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0658be3fa075d1b53699fdc307582b9b5cc03eae4efc0330f61395a0a3777137
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200677
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0658be3fa075d1b53699fdc307582b9b5cc03eae4efc0330f61395a0a3777137. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200677.
  date published: 2026-07-08T03:53:27Z
audio: Vivaldi: Magnificat in G Minor, RV 610b: II. Et exsultavit
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.781
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.364
  additional property: Energy
    type: PropertyValue
    value: 0.085
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.17
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.402
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.979
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Magnificat in G Minor, RV 610b: IV. Fecit potentiam
type: MusicRecording
duration: PT1M17S
duration ms: 77906
explicit: false
by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Taverner Players
by artist: Nancy Argenta
by artist: Taverner Choir
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 6
isrc code: GBAYC9200679
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:35:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdb02f3dfa2378292f6aefb6a3655ff59cdccd41b58f635043ad5a3ce4fc09d5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200679
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb02f3dfa2378292f6aefb6a3655ff59cdccd41b58f635043ad5a3ce4fc09d5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200679.
  date published: 2026-07-08T03:22:41Z
audio: Vivaldi: Magnificat in G Minor, RV 610b: IV. Fecit potentiam
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.317
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.908
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.528
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.25
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivaldi: Magnificat in G Minor, RV 610b: V. Esurientes
type: MusicRecording
duration: PT1M33S
duration ms: 93546
explicit: false
by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Emily Van Evera
by artist: Nancy Argenta
by artist: Taverner Players
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 10
isrc code: GBAYC9200680
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T05:12:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53ee2993d2152c2c56bd4639e9e01f7aafbb74b131c3b154a6de16aafc65d91f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200680
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53ee2993d2152c2c56bd4639e9e01f7aafbb74b131c3b154a6de16aafc65d91f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200680.
  date published: 2026-07-02T03:55:08Z
audio: Vivaldi: Magnificat in G Minor, RV 610b: V. Esurientes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.091
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.281
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.402
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.406
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Anonymous: Salve Regina
type: MusicRecording
duration: PT2M59S
duration ms: 179360
explicit: false
by artist: Antonio Vivaldi
by artist: Andrew Parrott
by artist: Taverner Choir
by artist: Taverner Players
in album: Vivaldi: Gloria & Magnificat
  type: MusicAlbum
  date published: 1994-01-01
popularity: 2
isrc code: GBAYC9200684
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:36:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7368163002244be45f254fea0f0eed83f9a26669a14d3ae0be40612cedd8cade
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200684
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7368163002244be45f254fea0f0eed83f9a26669a14d3ae0be40612cedd8cade. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200684.
  date published: 2026-07-08T03:22:41Z
audio: Anonymous: Salve Regina
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.434
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.148
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.186
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.686
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purcell: King Arthur
type: MusicAlbum
date published: 1992-01-01
track: King Arthur, or The British Worthy, Z.628: First Music: Chaconne
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204000
  explicit: false
  by artist: Henry Purcell
  by artist: The English Concert
  by artist: Trevor Pinnock
  in album: Purcell: King Arthur
    type: MusicAlbum
    date published: 1992-01-01
  genre: classical
  genre: choral
  isrc code: DEF059130303
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:39:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3f14fba61c1f0ccf207297fbe45406e4d9bb7e2291a99424dac067ed628e598a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956312
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130303
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f14fba61c1f0ccf207297fbe45406e4d9bb7e2291a99424dac067ed628e598a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130303.
    date published: 2026-07-02T05:09:12Z
  audio: King Arthur, or The British Worthy, Z.628: First Music: Chaconne
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.452
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.338
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.908
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.315
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.261
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.166
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: King Arthur, or The British Worthy (1691): Second Music: I. Overture
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119360
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  by artist: Henry Purcell
  by artist: The English Concert
  by artist: Trevor Pinnock
  in album: Purcell: King Arthur
    type: MusicAlbum
    date published: 1992-01-01
  genre: classical
  genre: choral
  isrc code: DEF059130304
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T09:25:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcd320a9be8e50d3de017c27d6124f486cd32af068ac7f89689fd27be8babc930
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957052
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957052
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130304
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:50:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd320a9be8e50d3de017c27d6124f486cd32af068ac7f89689fd27be8babc930. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130304.
    date published: 2026-07-07T14:50:41Z
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    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.517
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.348
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.879
    additional property: Key Name
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    additional property: Mode Name
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track: King Arthur, or The British Worthy (1691) / Act 1: "Woden, first to thee" / "We have sacrific'd"
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139640
  explicit: false
  by artist: Henry Purcell
  by artist: Gerald Finley
  by artist: Jamie MacDougall
  by artist: The English Concert Choir
  by artist: The English Concert
  by artist: Trevor Pinnock
  in album: Purcell: King Arthur
    type: MusicAlbum
    date published: 1992-01-01
  genre: classical
  genre: choral
  isrc code: DEF059130306
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: King Arthur, or The British Worthy (1691) / Act 1: "Woden, first to thee" / "We have sacrific'd"
track: King Arthur, or The British Worthy (1691) / Act 5: Fairest Isle (Venus)
track: King Arthur, or The British Worthy (1691) / Act 2: Hither, this way bend

CopyrightRegisteredAt
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value: 2026-07-06T20:36:49+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xde26f3740cbd99f766ebb884f7016544ae7850997ee1d6782668c6b2e271620c

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130306

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde26f3740cbd99f766ebb884f7016544ae7850997ee1d6782668c6b2e271620c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130306.
date published: 2026-07-08T03:22:41Z

King Arthur, or The British Worthy (1691) / Act 1: "Woden, first to thee" / "We have sacrific'd"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.454
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.25
additional property: Energy
  type: PropertyValue
  value: 0.094
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.964
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.343
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.149
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.851
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major

King Arthur, or The British Worthy (1691) / Act 5: Fairest Isle (Venus)
type: MusicRecording
duration: PT4M49S
duration ms: 289066
explicit: false
by artist: Henry Purcell
by artist: Nancy Argenta
by artist: The English Concert
by artist: Trevor Pinnock
in album: Purcell: King Arthur
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: choral
isrc code: DEF059130301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:14:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67790d6d2a92a06095edd82c80e9534b32b5c83fd1569d2c34f331ca75410fce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130301
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67790d6d2a92a06095edd82c80e9534b32b5c83fd1569d2c34f331ca75410fce. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130301.
  date published: 2026-07-08T03:20:19Z
audio: King Arthur, or The British Worthy (1691) / Act 5: Fairest Isle (Venus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.246
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.02
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.229
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.088
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.326
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

King Arthur, or The British Worthy (1691) / Act 2: Hither, this way bend
type: MusicRecording
duration: PT0M37S
duration ms: 37600
explicit: false
by artist: Henry Purcell
by artist: The English Concert Choir
by artist: The English Concert
by artist: Trevor Pinnock
in album: Purcell: King Arthur
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: choral
isrc code: DEF059130314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:20:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5dc1ff82a62df5fbb46f05197b204b3bedfd547acafed24e99753405e6c736fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130314
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dc1ff82a62df5fbb46f05197b204b3bedfd547acafed24e99753405e6c736fb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059130314.
  date published: 2026-07-08T03:20:19Z
audio: King Arthur, or The British Worthy (1691) / Act 2: Hither, this way bend
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.154
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.701
  additional property: Energy
    type: PropertyValue
    value: 0.165
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.399